package com.ruoyi.framework.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.ruoyi.common.utils.JsonUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.time.LocalDateTime;
import java.util.TimeZone;

/**
 * jackson 配置
 *
 * @author Lion Li
 */
@Slf4j
@Configuration
public class JacksonConfig {

    @Bean
    public BeanPostProcessor objectMapperBeanPostProcessor() {
        return new BeanPostProcessor() {
            @Override
            public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
                if (!(bean instanceof ObjectMapper)) {
                    return bean;
                }
                ObjectMapper objectMapper = (ObjectMapper) bean;
                // 全局配置序列化返回 JSON 处理
                SimpleModule simpleModule = new SimpleModule();
                simpleModule.addSerializer(LocalDateTime.class, LocalDateTimeSerializer.INSTANCE);
                simpleModule.addDeserializer(LocalDateTime.class, LocalDateTimeDeserializer.INSTANCE);
                objectMapper.registerModule(simpleModule);
                objectMapper.setTimeZone(TimeZone.getDefault());
                JsonUtils.init(objectMapper);
                log.info("初始化 jackson 配置");
                return bean;
            }
        };
    }

}
